diff --git a/.env.example b/.env.example
index b79c2dd..e611f01 100644
--- a/.env.example
+++ b/.env.example
@@ -20,3 +20,9 @@ MEILI_HOST=http://meilisearch:7700
 # JWT
 JWT_SECRET="a-very-secret-key"
 JWT_EXPIRES_IN="7d"
+
+
+
+# Admin users
+ADMIN_EMAIL=admin@local.com 
+ADMIN_PASSWORD=a_strong_pass
\ No newline at end of file
diff --git a/README.md b/README.md
index b874052..bd5075a 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ Open Archive is built on a modern, scalable, and maintainable technology stack:
 3.  **Run the application:**
 
     ```bash
-    docker-compose up -d
+    docker compose up -d
     ```
 
     This command will build the necessary Docker images and start all the services (frontend, backend, database, etc.) in the background.
diff --git a/package.json b/package.json
index ef3bcdf..3a83cc9 100644
--- a/package.json
+++ b/package.json
@@ -2,20 +2,21 @@
     "name": "open-archive",
     "private": true,
     "scripts": {
-        "dev": "pnpm --filter \"./packages/*\" --parallel dev",
+        "dev": "dotenv -- pnpm --filter \"./packages/*\" --parallel dev",
         "build": "pnpm --filter \"./packages/*\" --parallel build"
     },
     "devDependencies": {
-        "typescript": "^5.0.0"
+        "dotenv-cli": "8.0.0",
+        "typescript": "5.8.3"
     },
     "packageManager": "pnpm@10.13.1",
     "engines": {
-        "node": ">=18.0.0",
-        "pnpm": ">=8.0.0"
+        "node": ">=22.0.0",
+        "pnpm": "10.13.1"
     },
     "pnpm": {
         "onlyBuiltDependencies": [
             "esbuild"
         ]
     }
-}
\ No newline at end of file
+}
diff --git a/packages/backend/package.json b/packages/backend/package.json
index b020bb7..4bda81e 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -11,9 +11,15 @@
     },
     "dependencies": {
         "@open-archive/types": "workspace:*",
-        "express": "^5.1.0",
+        "bcryptjs": "^3.0.2",
         "bullmq": "^5.56.3",
-        "dotenv": "^17.2.0"
+        "dotenv": "^17.2.0",
+        "express": "^5.1.0",
+        "jose": "^6.0.11",
+        "pg": "^8.16.3",
+        "reflect-metadata": "^0.2.2",
+        "sqlite3": "^5.1.7",
+        "tsconfig-paths": "^4.2.0"
     },
     "devDependencies": {
         "@types/express": "^5.0.3",
diff --git a/packages/backend/src/api/controllers/auth.controller.ts b/packages/backend/src/api/controllers/auth.controller.ts
new file mode 100644
index 0000000..48a0e7b
--- /dev/null
+++ b/packages/backend/src/api/controllers/auth.controller.ts
@@ -0,0 +1,32 @@
+import type { Request, Response } from 'express';
+import type { IAuthService } from '../../services/AuthService';
+
+export class AuthController {
+    #authService: IAuthService;
+
+    constructor(authService: IAuthService) {
+        this.#authService = authService;
+    }
+
+    public login = async (req: Request, res: Response): Promise<Response> => {
+        const { email, password } = req.body;
+
+        if (!email || !password) {
+            return res.status(400).json({ message: 'Email and password are required' });
+        }
+
+        try {
+            const result = await this.#authService.login(email, password);
+
+            if (!result) {
+                return res.status(401).json({ message: 'Invalid credentials' });
+            }
+
+            return res.status(200).json(result);
+        } catch (error) {
+            // In a real application, you'd want to log this error.
+            console.error('Login error:', error);
+            return res.status(500).json({ message: 'An internal server error occurred' });
+        }
+    };
+}
diff --git a/packages/backend/src/api/middleware/requireAuth.ts b/packages/backend/src/api/middleware/requireAuth.ts
new file mode 100644
index 0000000..dfed3f5
--- /dev/null
+++ b/packages/backend/src/api/middleware/requireAuth.ts
@@ -0,0 +1,39 @@
+import type { Request, Response, NextFunction } from 'express';
+import type { IAuthService } from '../../services/AuthService';
+import type { AuthTokenPayload } from '@open-archive/types';
+
+// By using module augmentation, we can add our custom 'user' property
+// to the Express Request interface in a type-safe way.
+declare global {
+    namespace Express {
+        export interface Request {
+            user?: AuthTokenPayload;
+        }
+    }
+}
+
+export const requireAuth = (authService: IAuthService) => {
+    return async (req: Request, res: Response, next: NextFunction) => {
+        const authHeader = req.headers.authorization;
+
+        if (!authHeader || !authHeader.startsWith('Bearer ')) {
+            return res.status(401).json({ message: 'Unauthorized: No token provided' });
+        }
+
+        const token = authHeader.split(' ')[1];
+
+        try {
+            const payload = await authService.verifyToken(token);
+
+            if (!payload) {
+                return res.status(401).json({ message: 'Unauthorized: Invalid token' });
+            }
+
+            req.user = payload;
+            next();
+        } catch (error) {
+            console.error('Authentication error:', error);
+            return res.status(500).json({ message: 'An internal server error occurred during authentication' });
+        }
+    };
+};
diff --git a/packages/backend/src/api/routes/auth.routes.ts b/packages/backend/src/api/routes/auth.routes.ts
new file mode 100644
index 0000000..bd46cec
--- /dev/null
+++ b/packages/backend/src/api/routes/auth.routes.ts
@@ -0,0 +1,15 @@
+import { Router } from 'express';
+import type { AuthController } from '../controllers/auth.controller';
+
+export const createAuthRouter = (authController: AuthController): Router => {
+    const router = Router();
+
+    /**
+     * @route POST /api/v1/auth/login
+     * @description Authenticates a user and returns a JWT.
+     * @access Public
+     */
+    router.post('/login', authController.login);
+
+    return router;
+};
diff --git a/packages/backend/src/index.ts b/packages/backend/src/index.ts
index 22868bc..9af51a4 100644
--- a/packages/backend/src/index.ts
+++ b/packages/backend/src/index.ts
@@ -1,15 +1,65 @@
 import express from 'express';
 import dotenv from 'dotenv';
+import { AuthController } from './api/controllers/auth.controller';
+import { requireAuth } from './api/middleware/requireAuth';
+import { createAuthRouter } from './api/routes/auth.routes';
+import { AuthService } from './services/AuthService';
+import { AdminUserService } from './services/UserService';
 
+
+// Load environment variables
 dotenv.config();
 
+// --- Environment Variable Validation ---
+const {
+    PORT_BACKEND,
+    JWT_SECRET,
+    JWT_EXPIRES_IN
+} = process.env;
+
+
+if (!PORT_BACKEND || !JWT_SECRET || !JWT_EXPIRES_IN) {
+    throw new Error('Missing required environment variables for the backend.');
+}
+
+// --- Dependency Injection Setup ---
+
+const userService = new AdminUserService();
+const authService = new AuthService(userService, JWT_SECRET, JWT_EXPIRES_IN);
+const authController = new AuthController(authService);
+
+// --- Express App Initialization ---
 const app = express();
-const port = process.env.PORT_BACKEND || 8000;
+
+// Middleware
+app.use(express.json()); // For parsing application/json
+
+// --- Routes ---
+const authRouter = createAuthRouter(authController);
+app.use('/v1/auth', authRouter);
+
+// Example of a protected route
+app.get('/v1/protected', requireAuth(authService), (req, res) => {
+    res.json({
+        message: 'You have accessed a protected route!',
+        user: req.user, // The user payload is attached by the requireAuth middleware
+    });
+});
 
 app.get('/', (req, res) => {
     res.send('Backend is running!');
 });
 
-app.listen(port, () => {
-    console.log(`Backend listening at http://localhost:${port}`);
-});
+// --- Server Start ---
+const startServer = async () => {
+    try {
+        app.listen(PORT_BACKEND, () => {
+            console.log(`Backend listening at http://localhost:${PORT_BACKEND}`);
+        });
+    } catch (error) {
+        console.error('Failed to start the server:', error);
+        process.exit(1);
+    }
+};
+
+startServer();
diff --git a/packages/backend/src/services/AuthService.ts b/packages/backend/src/services/AuthService.ts
new file mode 100644
index 0000000..c48d190
--- /dev/null
+++ b/packages/backend/src/services/AuthService.ts
@@ -0,0 +1,86 @@
+import { compare, hash } from 'bcryptjs';
+import type { SignJWT, jwtVerify } from 'jose';
+import type { AuthTokenPayload, User, LoginResponse } from '@open-archive/types';
+
+// This interface defines the contract for a service that manages users.
+// The AuthService will depend on this abstraction, not a concrete implementation.
+export interface IUserService {
+    findByEmail(email: string): Promise<User | null>;
+}
+
+// This interface defines the contract for our AuthService.
+export interface IAuthService {
+    verifyPassword(password: string, hash: string): Promise<boolean>;
+    login(email: string, password: string): Promise<LoginResponse | null>;
+    verifyToken(token: string): Promise<AuthTokenPayload | null>;
+}
+
+export class AuthService implements IAuthService {
+    #userService: IUserService;
+    #jwtSecret: Uint8Array;
+    #jwtExpiresIn: string;
+    #jose: Promise<{ SignJWT: typeof SignJWT; jwtVerify: typeof jwtVerify; }>;
+
+    constructor(userService: IUserService, jwtSecret: string, jwtExpiresIn: string) {
+        this.#userService = userService;
+        this.#jwtSecret = new TextEncoder().encode(jwtSecret);
+        this.#jwtExpiresIn = jwtExpiresIn;
+        this.#jose = import('jose');
+    }
+
+    #hashPassword(password: string): Promise<string> {
+        return hash(password, 10);
+    }
+
+    public verifyPassword(password: string, hash: string): Promise<boolean> {
+        return compare(password, hash);
+    }
+
+    async #generateAccessToken(payload: AuthTokenPayload): Promise<string> {
+        if (!payload.sub) {
+            throw new Error('JWT payload must have a subject (sub) claim.');
+        }
+        const { SignJWT } = await this.#jose;
+        return new SignJWT(payload)
+            .setProtectedHeader({ alg: 'HS256' })
+            .setIssuedAt()
+            .setSubject(payload.sub)
+            .setExpirationTime(this.#jwtExpiresIn)
+            .sign(this.#jwtSecret);
+    }
+
+    public async login(email: string, password: string): Promise<LoginResponse | null> {
+        const user = await this.#userService.findByEmail(email);
+
+        if (!user) {
+            return null; // User not found
+        }
+
+        const isPasswordValid = await this.verifyPassword(password, user.passwordHash);
+
+        if (!isPasswordValid) {
+            return null; // Invalid password
+        }
+
+        const { passwordHash, ...userWithoutPassword } = user;
+
+        const accessToken = await this.#generateAccessToken({
+            sub: user.id,
+            email: user.email,
+            role: user.role,
+        });
+
+        return { accessToken, user: userWithoutPassword };
+    }
+
+    public async verifyToken(token: string): Promise<AuthTokenPayload | null> {
+        try {
+            const { jwtVerify } = await this.#jose;
+            const { payload } = await jwtVerify<AuthTokenPayload>(token, this.#jwtSecret);
+            return payload;
+        } catch (error) {
+            // Token is invalid or expired
+            return null;
+        }
+    }
+}
diff --git a/packages/backend/src/services/DatabaseService.ts b/packages/backend/src/services/DatabaseService.ts
new file mode 100644
index 0000000..e69de29
diff --git a/packages/backend/src/services/UserService.ts b/packages/backend/src/services/UserService.ts
new file mode 100644
index 0000000..78984e1
--- /dev/null
+++ b/packages/backend/src/services/UserService.ts
@@ -0,0 +1,31 @@
+import { hash } from 'bcryptjs';
+import type { User } from '@open-archive/types';
+import type { IUserService } from './AuthService';
+
+// This is a mock implementation of the IUserService.
+// In a real application, this service would interact with a database.
+export class AdminUserService implements IUserService {
+    #users: User[] = [];
+
+    constructor() {
+        // Immediately seed the user when the service is instantiated.
+        this.seed();
+    }
+
+    // use .env admin user
+    private async seed() {
+        const passwordHash = await hash(process.env.ADMIN_PASSWORD as string, 10);
+        this.#users.push({
+            id: '1',
+            email: process.env.ADMIN_EMAIL as string,
+            role: 'Super Administrator',
+            passwordHash: passwordHash,
+        });
+    }
+
+    public async findByEmail(email: string): Promise<User | null> {
+        // In a real implementation, this would be a database query.
+        const user = this.#users.find(u => u.email === email);
+        return user || null;
+    }
+}
diff --git a/packages/backend/tsconfig.json b/packages/backend/tsconfig.json
index c1be55f..8cdda0c 100644
--- a/packages/backend/tsconfig.json
+++ b/packages/backend/tsconfig.json
@@ -3,7 +3,9 @@
     "compilerOptions": {
         "outDir": "./dist",
         "rootDir": "./src",
-        "composite": true
+        "composite": true,
+        "emitDecoratorMetadata": true,
+        "experimentalDecorators": true
     },
     "include": ["src/**/*.ts"],
     "exclude": ["node_modules", "dist"]
diff --git a/packages/frontend/components.json b/packages/frontend/components.json
new file mode 100644
index 0000000..c5d91b4
--- /dev/null
+++ b/packages/frontend/components.json
@@ -0,0 +1,16 @@
+{
+	"$schema": "https://shadcn-svelte.com/schema.json",
+	"tailwind": {
+		"css": "src/app.css",
+		"baseColor": "slate"
+	},
+	"aliases": {
+		"components": "$lib/components",
+		"utils": "$lib/utils",
+		"ui": "$lib/components/ui",
+		"hooks": "$lib/hooks",
+		"lib": "$lib"
+	},
+	"typescript": true,
+	"registry": "https://shadcn-svelte.com/registry"
+}
diff --git a/packages/frontend/package.json b/packages/frontend/package.json
index 2034817..acaed5b 100644
--- a/packages/frontend/package.json
+++ b/packages/frontend/package.json
@@ -13,17 +13,28 @@
 		"format": "prettier --write .",
 		"lint": "prettier --check ."
 	},
+	"dependencies": {
+		"@open-archive/types": "workspace:*"
+	},
 	"devDependencies": {
+		"@internationalized/date": "^3.8.2",
+		"@lucide/svelte": "^0.525.0",
 		"@sveltejs/adapter-auto": "^6.0.0",
 		"@sveltejs/kit": "^2.16.0",
 		"@sveltejs/vite-plugin-svelte": "^5.0.0",
 		"@tailwindcss/vite": "^4.0.0",
+		"bits-ui": "^2.8.10",
+		"clsx": "^2.1.1",
+		"dotenv": "^17.2.0",
 		"prettier": "^3.4.2",
 		"prettier-plugin-svelte": "^3.3.3",
 		"prettier-plugin-tailwindcss": "^0.6.11",
 		"svelte": "^5.0.0",
 		"svelte-check": "^4.0.0",
+		"tailwind-merge": "^3.3.1",
+		"tailwind-variants": "^1.0.0",
 		"tailwindcss": "^4.0.0",
+		"tw-animate-css": "^1.3.5",
 		"typescript": "^5.0.0",
 		"vite": "^6.2.6"
 	}
diff --git a/packages/frontend/src/app.css b/packages/frontend/src/app.css
index d4b5078..e48f5f0 100644
--- a/packages/frontend/src/app.css
+++ b/packages/frontend/src/app.css
@@ -1 +1,121 @@
-@import 'tailwindcss';
+@import "tailwindcss";
+
+@import "tw-animate-css";
+
+@custom-variant dark (&:is(.dark *));
+
+:root {
+  --radius: 0.625rem;
+  --background: oklch(1 0 0);
+  --foreground: oklch(0.129 0.042 264.695);
+  --card: oklch(1 0 0);
+  --card-foreground: oklch(0.129 0.042 264.695);
+  --popover: oklch(1 0 0);
+  --popover-foreground: oklch(0.129 0.042 264.695);
+  --primary: oklch(0.208 0.042 265.755);
+  --primary-foreground: oklch(0.984 0.003 247.858);
+  --secondary: oklch(0.968 0.007 247.896);
+  --secondary-foreground: oklch(0.208 0.042 265.755);
+  --muted: oklch(0.968 0.007 247.896);
+  --muted-foreground: oklch(0.554 0.046 257.417);
+  --accent: oklch(0.968 0.007 247.896);
+  --accent-foreground: oklch(0.208 0.042 265.755);
+  --destructive: oklch(0.577 0.245 27.325);
+  --border: oklch(0.929 0.013 255.508);
+  --input: oklch(0.929 0.013 255.508);
+  --ring: oklch(0.704 0.04 256.788);
+  --chart-1: oklch(0.646 0.222 41.116);
+  --chart-2: oklch(0.6 0.118 184.704);
+  --chart-3: oklch(0.398 0.07 227.392);
+  --chart-4: oklch(0.828 0.189 84.429);
+  --chart-5: oklch(0.769 0.188 70.08);
+  --sidebar: oklch(0.984 0.003 247.858);
+  --sidebar-foreground: oklch(0.129 0.042 264.695);
+  --sidebar-primary: oklch(0.208 0.042 265.755);
+  --sidebar-primary-foreground: oklch(0.984 0.003 247.858);
+  --sidebar-accent: oklch(0.968 0.007 247.896);
+  --sidebar-accent-foreground: oklch(0.208 0.042 265.755);
+  --sidebar-border: oklch(0.929 0.013 255.508);
+  --sidebar-ring: oklch(0.704 0.04 256.788);
+}
+
+.dark {
+  --background: oklch(0.129 0.042 264.695);
+  --foreground: oklch(0.984 0.003 247.858);
+  --card: oklch(0.208 0.042 265.755);
+  --card-foreground: oklch(0.984 0.003 247.858);
+  --popover: oklch(0.208 0.042 265.755);
+  --popover-foreground: oklch(0.984 0.003 247.858);
+  --primary: oklch(0.929 0.013 255.508);
+  --primary-foreground: oklch(0.208 0.042 265.755);
+  --secondary: oklch(0.279 0.041 260.031);
+  --secondary-foreground: oklch(0.984 0.003 247.858);
+  --muted: oklch(0.279 0.041 260.031);
+  --muted-foreground: oklch(0.704 0.04 256.788);
+  --accent: oklch(0.279 0.041 260.031);
+  --accent-foreground: oklch(0.984 0.003 247.858);
+  --destructive: oklch(0.704 0.191 22.216);
+  --border: oklch(1 0 0 / 10%);
+  --input: oklch(1 0 0 / 15%);
+  --ring: oklch(0.551 0.027 264.364);
+  --chart-1: oklch(0.488 0.243 264.376);
+  --chart-2: oklch(0.696 0.17 162.48);
+  --chart-3: oklch(0.769 0.188 70.08);
+  --chart-4: oklch(0.627 0.265 303.9);
+  --chart-5: oklch(0.645 0.246 16.439);
+  --sidebar: oklch(0.208 0.042 265.755);
+  --sidebar-foreground: oklch(0.984 0.003 247.858);
+  --sidebar-primary: oklch(0.488 0.243 264.376);
+  --sidebar-primary-foreground: oklch(0.984 0.003 247.858);
+  --sidebar-accent: oklch(0.279 0.041 260.031);
+  --sidebar-accent-foreground: oklch(0.984 0.003 247.858);
+  --sidebar-border: oklch(1 0 0 / 10%);
+  --sidebar-ring: oklch(0.551 0.027 264.364);
+}
+
+@theme inline {
+  --radius-sm: calc(var(--radius) - 4px);
+  --radius-md: calc(var(--radius) - 2px);
+  --radius-lg: var(--radius);
+  --radius-xl: calc(var(--radius) + 4px);
+  --color-background: var(--background);
+  --color-foreground: var(--foreground);
+  --color-card: var(--card);
+  --color-card-foreground: var(--card-foreground);
+  --color-popover: var(--popover);
+  --color-popover-foreground: var(--popover-foreground);
+  --color-primary: var(--primary);
+  --color-primary-foreground: var(--primary-foreground);
+  --color-secondary: var(--secondary);
+  --color-secondary-foreground: var(--secondary-foreground);
+  --color-muted: var(--muted);
+  --color-muted-foreground: var(--muted-foreground);
+  --color-accent: var(--accent);
+  --color-accent-foreground: var(--accent-foreground);
+  --color-destructive: var(--destructive);
+  --color-border: var(--border);
+  --color-input: var(--input);
+  --color-ring: var(--ring);
+  --color-chart-1: var(--chart-1);
+  --color-chart-2: var(--chart-2);
+  --color-chart-3: var(--chart-3);
+  --color-chart-4: var(--chart-4);
+  --color-chart-5: var(--chart-5);
+  --color-sidebar: var(--sidebar);
+  --color-sidebar-foreground: var(--sidebar-foreground);
+  --color-sidebar-primary: var(--sidebar-primary);
+  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
+  --color-sidebar-accent: var(--sidebar-accent);
+  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
+  --color-sidebar-border: var(--sidebar-border);
+  --color-sidebar-ring: var(--sidebar-ring);
+}
+
+@layer base {
+  * {
+    @apply border-border outline-ring/50;
+  }
+  body {
+    @apply bg-background text-foreground;
+  }
+}
\ No newline at end of file
diff --git a/packages/frontend/src/lib/api.ts b/packages/frontend/src/lib/api.ts
new file mode 100644
index 0000000..a14546a
--- /dev/null
+++ b/packages/frontend/src/lib/api.ts
@@ -0,0 +1,32 @@
+import { authStore } from '$lib/stores/auth.store';
+import { get } from 'svelte/store';
+
+const BASE_URL = '/api/v1'; // Using a relative URL for proxying
+
+/**
+ * A custom fetch wrapper to automatically handle authentication headers.
+ * @param url The URL to fetch, relative to the API base.
+ * @param options The standard Fetch API options.
+ * @returns A Promise that resolves to the Fetch Response.
+ */
+export const api = async (url: string, options: RequestInit = {}): Promise<Response> => {
+    const { accessToken } = get(authStore);
+
+    const defaultHeaders: HeadersInit = {
+        'Content-Type': 'application/json',
+    };
+
+    if (accessToken) {
+        defaultHeaders['Authorization'] = `Bearer ${accessToken}`;
+    }
+
+    const mergedOptions: RequestInit = {
+        ...options,
+        headers: {
+            ...defaultHeaders,
+            ...options.headers,
+        },
+    };
+
+    return fetch(`${BASE_URL}${url}`, mergedOptions);
+};
diff --git a/packages/frontend/src/lib/components/ui/button/button.svelte b/packages/frontend/src/lib/components/ui/button/button.svelte
new file mode 100644
index 0000000..16f1a3c
--- /dev/null
+++ b/packages/frontend/src/lib/components/ui/button/button.svelte
@@ -0,0 +1,80 @@
+<script lang="ts" module>
+	import { cn, type WithElementRef } from '$lib/utils.js';
+	import type { HTMLAnchorAttributes, HTMLButtonAttributes } from 'svelte/elements';
+	import { type VariantProps, tv } from 'tailwind-variants';
+
+	export const buttonVariants = tv({
+		base: "focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive inline-flex shrink-0 items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium outline-none transition-all focus-visible:ring-[3px] disabled:pointer-events-none disabled:opacity-50 aria-disabled:pointer-events-none aria-disabled:opacity-50 [&_svg:not([class*='size-'])]:size-4 [&_svg]:pointer-events-none [&_svg]:shrink-0",
+		variants: {
+			variant: {
+				default: 'bg-primary text-primary-foreground shadow-xs hover:bg-primary/90',
+				destructive:
+					'bg-destructive shadow-xs hover:bg-destructive/90 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40 dark:bg-destructive/60 text-white',
+				outline:
+					'bg-background shadow-xs hover:bg-accent hover:text-accent-foreground dark:bg-input/30 dark:border-input dark:hover:bg-input/50 border',
+				secondary: 'bg-secondary text-secondary-foreground shadow-xs hover:bg-secondary/80',
+				ghost: 'hover:bg-accent hover:text-accent-foreground dark:hover:bg-accent/50',
+				link: 'text-primary underline-offset-4 hover:underline'
+			},
+			size: {
+				default: 'h-9 px-4 py-2 has-[>svg]:px-3',
+				sm: 'h-8 gap-1.5 rounded-md px-3 has-[>svg]:px-2.5',
+				lg: 'h-10 rounded-md px-6 has-[>svg]:px-4',
+				icon: 'size-9'
+			}
+		},
+		defaultVariants: {
+			variant: 'default',
+			size: 'default'
+		}
+	});
+
+	export type ButtonVariant = VariantProps<typeof buttonVariants>['variant'];
+	export type ButtonSize = VariantProps<typeof buttonVariants>['size'];
+
+	export type ButtonProps = WithElementRef<HTMLButtonAttributes> &
+		WithElementRef<HTMLAnchorAttributes> & {
+			variant?: ButtonVariant;
+			size?: ButtonSize;
+		};
+</script>
+
+<script lang="ts">
+	let {
+		class: className,
+		variant = 'default',
+		size = 'default',
+		ref = $bindable(null),
+		href = undefined,
+		type = 'button',
+		disabled,
+		children,
+		...restProps
+	}: ButtonProps = $props();
+</script>
+
+{#if href}
+	<a
+		bind:this={ref}
+		data-slot="button"
+		class={cn(buttonVariants({ variant, size }), className)}
+		href={disabled ? undefined : href}
+		aria-disabled={disabled}
+		role={disabled ? 'link' : undefined}
+		tabindex={disabled ? -1 : undefined}
+		{...restProps}
+	>
+		{@render children?.()}
+	</a>
+{:else}
+	<button
+		bind:this={ref}
+		data-slot="button"
+		class={cn(buttonVariants({ variant, size }), className)}
+		{type}
+		{disabled}
+		{...restProps}
+	>
+		{@render children?.()}
+	</button>
+{/if}
diff --git a/packages/frontend/src/lib/components/ui/button/index.ts b/packages/frontend/src/lib/components/ui/button/index.ts
new file mode 100644
index 0000000..fb585d7
--- /dev/null
+++ b/packages/frontend/src/lib/components/ui/button/index.ts
@@ -0,0 +1,17 @@
+import Root, {
+	type ButtonProps,
+	type ButtonSize,
+	type ButtonVariant,
+	buttonVariants,
+} from "./button.svelte";
+
+export {
+	Root,
+	type ButtonProps as Props,
+	//
+	Root as Button,
+	buttonVariants,
+	type ButtonProps,
+	type ButtonSize,
+	type ButtonVariant,
+};
diff --git a/packages/frontend/src/lib/components/ui/card/card-action.svelte b/packages/frontend/src/lib/components/ui/card/card-action.svelte
new file mode 100644
index 0000000..cc36c56
--- /dev/null
+++ b/packages/frontend/src/lib/components/ui/card/card-action.svelte
@@ -0,0 +1,20 @@
+<script lang="ts">
+	import { cn, type WithElementRef } from "$lib/utils.js";
+	import type { HTMLAttributes } from "svelte/elements";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
+</script>
+
+<div
+	bind:this={ref}
+	data-slot="card-action"
+	class={cn("col-start-2 row-span-2 row-start-1 self-start justify-self-end", className)}
+	{...restProps}
+>
+	{@render children?.()}
+</div>
diff --git a/packages/frontend/src/lib/components/ui/card/card-content.svelte b/packages/frontend/src/lib/components/ui/card/card-content.svelte
new file mode 100644
index 0000000..bc90b83
--- /dev/null
+++ b/packages/frontend/src/lib/components/ui/card/card-content.svelte
@@ -0,0 +1,15 @@
+<script lang="ts">
+	import type { HTMLAttributes } from "svelte/elements";
+	import { cn, type WithElementRef } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
+</script>
+
+<div bind:this={ref} data-slot="card-content" class={cn("px-6", className)} {...restProps}>
+	{@render children?.()}
+</div>
diff --git a/packages/frontend/src/lib/components/ui/card/card-description.svelte b/packages/frontend/src/lib/components/ui/card/card-description.svelte
new file mode 100644
index 0000000..9b20ac7
--- /dev/null
+++ b/packages/frontend/src/lib/components/ui/card/card-description.svelte
@@ -0,0 +1,20 @@
+<script lang="ts">
+	import type { HTMLAttributes } from "svelte/elements";
+	import { cn, type WithElementRef } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLParagraphElement>> = $props();
+</script>
+
+<p
+	bind:this={ref}
+	data-slot="card-description"
+	class={cn("text-muted-foreground text-sm", className)}
+	{...restProps}
+>
+	{@render children?.()}
+</p>
diff --git a/packages/frontend/src/lib/components/ui/card/card-footer.svelte b/packages/frontend/src/lib/components/ui/card/card-footer.svelte
new file mode 100644
index 0000000..cf43353
--- /dev/null
+++ b/packages/frontend/src/lib/components/ui/card/card-footer.svelte
@@ -0,0 +1,20 @@
+<script lang="ts">
+	import { cn, type WithElementRef } from "$lib/utils.js";
+	import type { HTMLAttributes } from "svelte/elements";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
+</script>
+
+<div
+	bind:this={ref}
+	data-slot="card-footer"
+	class={cn("[.border-t]:pt-6 flex items-center px-6", className)}
+	{...restProps}
+>
+	{@render children?.()}
+</div>
diff --git a/packages/frontend/src/lib/components/ui/card/card-header.svelte b/packages/frontend/src/lib/components/ui/card/card-header.svelte
new file mode 100644
index 0000000..8a91abb
--- /dev/null
+++ b/packages/frontend/src/lib/components/ui/card/card-header.svelte
@@ -0,0 +1,23 @@
+<script lang="ts">
+	import { cn, type WithElementRef } from "$lib/utils.js";
+	import type { HTMLAttributes } from "svelte/elements";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
+</script>
+
+<div
+	bind:this={ref}
+	data-slot="card-header"
+	class={cn(
+		"@container/card-header has-data-[slot=card-action]:grid-cols-[1fr_auto] [.border-b]:pb-6 grid auto-rows-min grid-rows-[auto_auto] items-start gap-1.5 px-6",
+		className
+	)}
+	{...restProps}
+>
+	{@render children?.()}
+</div>
diff --git a/packages/frontend/src/lib/components/ui/card/card-title.svelte b/packages/frontend/src/lib/components/ui/card/card-title.svelte
new file mode 100644
index 0000000..22586e6
--- /dev/null
+++ b/packages/frontend/src/lib/components/ui/card/card-title.svelte
@@ -0,0 +1,20 @@
+<script lang="ts">
+	import type { HTMLAttributes } from "svelte/elements";
+	import { cn, type WithElementRef } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
+</script>
+
+<div
+	bind:this={ref}
+	data-slot="card-title"
+	class={cn("font-semibold leading-none", className)}
+	{...restProps}
+>
+	{@render children?.()}
+</div>
diff --git a/packages/frontend/src/lib/components/ui/card/card.svelte b/packages/frontend/src/lib/components/ui/card/card.svelte
new file mode 100644
index 0000000..99448cc
--- /dev/null
+++ b/packages/frontend/src/lib/components/ui/card/card.svelte
@@ -0,0 +1,23 @@
+<script lang="ts">
+	import type { HTMLAttributes } from "svelte/elements";
+	import { cn, type WithElementRef } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
+</script>
+
+<div
+	bind:this={ref}
+	data-slot="card"
+	class={cn(
+		"bg-card text-card-foreground flex flex-col gap-6 rounded-xl border py-6 shadow-sm",
+		className
+	)}
+	{...restProps}
+>
+	{@render children?.()}
+</div>
diff --git a/packages/frontend/src/lib/components/ui/card/index.ts b/packages/frontend/src/lib/components/ui/card/index.ts
new file mode 100644
index 0000000..4d3fce4
--- /dev/null
+++ b/packages/frontend/src/lib/components/ui/card/index.ts
@@ -0,0 +1,25 @@
+import Root from "./card.svelte";
+import Content from "./card-content.svelte";
+import Description from "./card-description.svelte";
+import Footer from "./card-footer.svelte";
+import Header from "./card-header.svelte";
+import Title from "./card-title.svelte";
+import Action from "./card-action.svelte";
+
+export {
+	Root,
+	Content,
+	Description,
+	Footer,
+	Header,
+	Title,
+	Action,
+	//
+	Root as Card,
+	Content as CardContent,
+	Description as CardDescription,
+	Footer as CardFooter,
+	Header as CardHeader,
+	Title as CardTitle,
+	Action as CardAction,
+};
diff --git a/packages/frontend/src/lib/components/ui/input/index.ts b/packages/frontend/src/lib/components/ui/input/index.ts
new file mode 100644
index 0000000..f47b6d3
--- /dev/null
+++ b/packages/frontend/src/lib/components/ui/input/index.ts
@@ -0,0 +1,7 @@
+import Root from "./input.svelte";
+
+export {
+	Root,
+	//
+	Root as Input,
+};
diff --git a/packages/frontend/src/lib/components/ui/input/input.svelte b/packages/frontend/src/lib/components/ui/input/input.svelte
new file mode 100644
index 0000000..19c6dae
--- /dev/null
+++ b/packages/frontend/src/lib/components/ui/input/input.svelte
@@ -0,0 +1,51 @@
+<script lang="ts">
+	import type { HTMLInputAttributes, HTMLInputTypeAttribute } from "svelte/elements";
+	import { cn, type WithElementRef } from "$lib/utils.js";
+
+	type InputType = Exclude<HTMLInputTypeAttribute, "file">;
+
+	type Props = WithElementRef<
+		Omit<HTMLInputAttributes, "type"> &
+			({ type: "file"; files?: FileList } | { type?: InputType; files?: undefined })
+	>;
+
+	let {
+		ref = $bindable(null),
+		value = $bindable(),
+		type,
+		files = $bindable(),
+		class: className,
+		...restProps
+	}: Props = $props();
+</script>
+
+{#if type === "file"}
+	<input
+		bind:this={ref}
+		data-slot="input"
+		class={cn(
+			"selection:bg-primary dark:bg-input/30 selection:text-primary-foreground border-input ring-offset-background placeholder:text-muted-foreground shadow-xs flex h-9 w-full min-w-0 rounded-md border bg-transparent px-3 pt-1.5 text-sm font-medium outline-none transition-[color,box-shadow] disabled:cursor-not-allowed disabled:opacity-50 md:text-sm",
+			"focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px]",
+			"aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
+			className
+		)}
+		type="file"
+		bind:files
+		bind:value
+		{...restProps}
+	/>
+{:else}
+	<input
+		bind:this={ref}
+		data-slot="input"
+		class={cn(
+			"border-input bg-background selection:bg-primary dark:bg-input/30 selection:text-primary-foreground ring-offset-background placeholder:text-muted-foreground shadow-xs flex h-9 w-full min-w-0 rounded-md border px-3 py-1 text-base outline-none transition-[color,box-shadow] disabled:cursor-not-allowed disabled:opacity-50 md:text-sm",
+			"focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px]",
+			"aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
+			className
+		)}
+		{type}
+		bind:value
+		{...restProps}
+	/>
+{/if}
diff --git a/packages/frontend/src/lib/components/ui/label/index.ts b/packages/frontend/src/lib/components/ui/label/index.ts
new file mode 100644
index 0000000..8bfca0b
--- /dev/null
+++ b/packages/frontend/src/lib/components/ui/label/index.ts
@@ -0,0 +1,7 @@
+import Root from "./label.svelte";
+
+export {
+	Root,
+	//
+	Root as Label,
+};
diff --git a/packages/frontend/src/lib/components/ui/label/label.svelte b/packages/frontend/src/lib/components/ui/label/label.svelte
new file mode 100644
index 0000000..d0afda3
--- /dev/null
+++ b/packages/frontend/src/lib/components/ui/label/label.svelte
@@ -0,0 +1,20 @@
+<script lang="ts">
+	import { Label as LabelPrimitive } from "bits-ui";
+	import { cn } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		...restProps
+	}: LabelPrimitive.RootProps = $props();
+</script>
+
+<LabelPrimitive.Root
+	bind:ref
+	data-slot="label"
+	class={cn(
+		"flex select-none items-center gap-2 text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-50 group-data-[disabled=true]:pointer-events-none group-data-[disabled=true]:opacity-50",
+		className
+	)}
+	{...restProps}
+/>
diff --git a/packages/frontend/src/lib/index.ts b/packages/frontend/src/lib/index.ts
index 856f2b6..e69de29 100644
--- a/packages/frontend/src/lib/index.ts
+++ b/packages/frontend/src/lib/index.ts
@@ -1 +0,0 @@
-// place files you want to import through the `$lib` alias in this folder.
diff --git a/packages/frontend/src/lib/stores/auth.store.ts b/packages/frontend/src/lib/stores/auth.store.ts
new file mode 100644
index 0000000..0423a1e
--- /dev/null
+++ b/packages/frontend/src/lib/stores/auth.store.ts
@@ -0,0 +1,61 @@
+import { writable } from 'svelte/store';
+import { browser } from '$app/environment';
+import type { User } from '@open-archive/types';
+
+interface AuthState {
+    accessToken: string | null;
+    user: Omit<User, 'passwordHash'> | null;
+}
+
+const initialValue: AuthState = {
+    accessToken: null,
+    user: null,
+};
+
+// Function to get the initial state from localStorage
+const getInitialState = (): AuthState => {
+    if (!browser) {
+        return initialValue;
+    }
+
+    const storedToken = localStorage.getItem('accessToken');
+    const storedUser = localStorage.getItem('user');
+
+    if (storedToken && storedUser) {
+        try {
+            return {
+                accessToken: storedToken,
+                user: JSON.parse(storedUser),
+            };
+        } catch (e) {
+            console.error('Failed to parse user from localStorage', e);
+            return initialValue;
+        }
+    }
+
+    return initialValue;
+};
+
+const createAuthStore = () => {
+    const { subscribe, set } = writable<AuthState>(getInitialState());
+
+    return {
+        subscribe,
+        login: (accessToken: string, user: Omit<User, 'passwordHash'>) => {
+            if (browser) {
+                localStorage.setItem('accessToken', accessToken);
+                localStorage.setItem('user', JSON.stringify(user));
+            }
+            set({ accessToken, user });
+        },
+        logout: () => {
+            if (browser) {
+                localStorage.removeItem('accessToken');
+                localStorage.removeItem('user');
+            }
+            set(initialValue);
+        },
+    };
+};
+
+export const authStore = createAuthStore();
diff --git a/packages/frontend/src/lib/utils.ts b/packages/frontend/src/lib/utils.ts
new file mode 100644
index 0000000..55b3a91
--- /dev/null
+++ b/packages/frontend/src/lib/utils.ts
@@ -0,0 +1,13 @@
+import { clsx, type ClassValue } from "clsx";
+import { twMerge } from "tailwind-merge";
+
+export function cn(...inputs: ClassValue[]) {
+	return twMerge(clsx(inputs));
+}
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export type WithoutChild<T> = T extends { child?: any } ? Omit<T, "child"> : T;
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export type WithoutChildren<T> = T extends { children?: any } ? Omit<T, "children"> : T;
+export type WithoutChildrenOrChild<T> = WithoutChildren<WithoutChild<T>>;
+export type WithElementRef<T, U extends HTMLElement = HTMLElement> = T & { ref?: U | null };
diff --git a/packages/frontend/src/routes/+layout.ts b/packages/frontend/src/routes/+layout.ts
new file mode 100644
index 0000000..fa4b96d
--- /dev/null
+++ b/packages/frontend/src/routes/+layout.ts
@@ -0,0 +1,31 @@
+import { browser } from '$app/environment';
+import { redirect } from '@sveltejs/kit';
+import { get } from 'svelte/store';
+import { authStore } from '$lib/stores/auth.store';
+
+// List of routes that are accessible to unauthenticated users.
+const publicRoutes = ['/signin'];
+
+export const load = ({ url }) => {
+    // Route protection should only run on the client side where the authStore
+    // is reliably hydrated from localStorage.
+    if (browser) {
+        const { accessToken } = get(authStore);
+        const isPublicRoute = publicRoutes.includes(url.pathname);
+
+        // If the user is not logged in and trying to access a private route...
+        if (!accessToken && !isPublicRoute) {
+            // ...redirect them to the sign-in page.
+            throw redirect(307, '/signin');
+        }
+
+        // If the user is logged in and trying to access a public route (like /signin)...
+        if (accessToken && isPublicRoute) {
+            // ...redirect them to the dashboard.
+            throw redirect(307, '/dashboard');
+        }
+    }
+
+    // For all other cases, allow the page to load.
+    return {};
+};
diff --git a/packages/frontend/src/routes/+page.svelte b/packages/frontend/src/routes/+page.svelte
index cc88df0..d2a7d65 100644
--- a/packages/frontend/src/routes/+page.svelte
+++ b/packages/frontend/src/routes/+page.svelte
@@ -1,2 +1,5 @@
+<script lang="ts">
+</script>
+
 <h1>Welcome to SvelteKit</h1>
 <p>Visit <a href="https://svelte.dev/docs/kit">svelte.dev/docs/kit</a> to read the documentation</p>
diff --git a/packages/frontend/src/routes/+page.ts b/packages/frontend/src/routes/+page.ts
new file mode 100644
index 0000000..728c79c
--- /dev/null
+++ b/packages/frontend/src/routes/+page.ts
@@ -0,0 +1,24 @@
+import { redirect } from '@sveltejs/kit';
+import { get } from 'svelte/store';
+import { authStore } from '$lib/stores/auth.store';
+import { browser } from '$app/environment';
+
+export const load = () => {
+    // This logic should only run on the client side where the authStore is hydrated
+    // from localStorage.
+    if (browser) {
+        const { accessToken } = get(authStore);
+
+        if (accessToken) {
+            // If logged in, go to the dashboard.
+            throw redirect(307, '/dashboard');
+        } else {
+            // If not logged in, go to the sign-in page.
+            throw redirect(307, '/signin');
+        }
+    }
+
+    // On the server, we don't know the auth state, so we don't redirect.
+    // The client-side navigation will take over.
+    return {};
+};
diff --git a/packages/frontend/src/routes/dashboard/+page.svelte b/packages/frontend/src/routes/dashboard/+page.svelte
new file mode 100644
index 0000000..13a25d0
--- /dev/null
+++ b/packages/frontend/src/routes/dashboard/+page.svelte
@@ -0,0 +1,23 @@
+<script lang="ts">
+	import { authStore } from '$lib/stores/auth.store';
+	import { Button } from '$lib/components/ui/button';
+	import { goto } from '$app/navigation';
+
+	function handleLogout() {
+		authStore.logout();
+		goto('/signin');
+	}
+</script>
+
+<svelte:head>
+	<title>Dashboard - OpenArchive</title>
+</svelte:head>
+
+<div class="p-8">
+	<div class="flex items-center justify-between">
+		<h1 class="text-2xl font-bold">Dashboard</h1>
+		<Button onclick={handleLogout}>Logout</Button>
+	</div>
+	<p class="mt-4">Welcome, {$authStore.user?.email}!</p>
+	<p>You are logged in.</p>
+</div>
diff --git a/packages/frontend/src/routes/signin/+page.svelte b/packages/frontend/src/routes/signin/+page.svelte
new file mode 100644
index 0000000..23eabfe
--- /dev/null
+++ b/packages/frontend/src/routes/signin/+page.svelte
@@ -0,0 +1,75 @@
+<script lang="ts">
+	import { goto } from '$app/navigation';
+	import { Button } from '$lib/components/ui/button';
+	import * as Card from '$lib/components/ui/card';
+	import { Input } from '$lib/components/ui/input';
+	import { Label } from '$lib/components/ui/label';
+	import { api } from '$lib/api';
+	import { authStore } from '$lib/stores/auth.store';
+	import type { LoginResponse } from '@open-archive/types';
+
+	let email = '';
+	let password = '';
+	let error: string | null = null;
+	let isLoading = false;
+
+	async function handleSubmit() {
+		isLoading = true;
+		error = null;
+		try {
+			const response = await api('/auth/login', {
+				method: 'POST',
+				body: JSON.stringify({ email, password })
+			});
+
+			if (!response.ok) {
+				const errorData = await response.json();
+				throw new Error(errorData.message || 'Failed to login');
+			}
+
+			const loginData: LoginResponse = await response.json();
+			authStore.login(loginData.accessToken, loginData.user);
+
+			// Redirect to a protected page after login
+			goto('/dashboard');
+		} catch (e: any) {
+			error = e.message;
+		} finally {
+			isLoading = false;
+		}
+	}
+</script>
+
+<svelte:head>
+	<title>Login - OpenArchive</title>
+	<meta name="description" content="Login to your OpenArchive account." />
+</svelte:head>
+
+<div class="flex min-h-screen items-center justify-center bg-gray-100 dark:bg-gray-900">
+	<Card.Root class="w-full max-w-md">
+		<Card.Header class="space-y-1">
+			<Card.Title class="text-2xl">Login</Card.Title>
+			<Card.Description>Enter your email below to login to your account.</Card.Description>
+		</Card.Header>
+		<Card.Content class="grid gap-4">
+			<form onsubmit={handleSubmit}>
+				<div class="grid gap-2">
+					<Label for="email">Email</Label>
+					<Input id="email" type="email" placeholder="m@example.com" bind:value={email} required />
+				</div>
+				<div class="grid gap-2">
+					<Label for="password">Password</Label>
+					<Input id="password" type="password" bind:value={password} required />
+				</div>
+
+				{#if error}
+					<p class="mt-2 text-sm text-red-600">{error}</p>
+				{/if}
+
+				<Button type="submit" class="mt-4 w-full" disabled={isLoading}>
+					{isLoading ? 'Logging in...' : 'Login'}
+				</Button>
+			</form>
+		</Card.Content>
+	</Card.Root>
+</div>
diff --git a/packages/frontend/vite.config.ts b/packages/frontend/vite.config.ts
index 2d35c4f..f9c4b6a 100644
--- a/packages/frontend/vite.config.ts
+++ b/packages/frontend/vite.config.ts
@@ -1,7 +1,20 @@
 import tailwindcss from '@tailwindcss/vite';
 import { sveltekit } from '@sveltejs/kit/vite';
 import { defineConfig } from 'vite';
+import dotenv from 'dotenv';
+
+dotenv.config();
 
 export default defineConfig({
-	plugins: [tailwindcss(), sveltekit()]
+	plugins: [tailwindcss(), sveltekit()],
+	server: {
+		port: Number(process.env.PORT_FRONTEND) || 3000,
+		proxy: {
+			'/api': {
+				target: `http://localhost:${process.env.PORT_BACKEND || 4000}`,
+				changeOrigin: true,
+				rewrite: (path) => path.replace(/^\/api/, '')
+			}
+		}
+	}
 });
diff --git a/packages/types/package.json b/packages/types/package.json
index d115ab0..cc039f1 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -10,5 +10,8 @@
     },
     "devDependencies": {
         "typescript": "^5.0.0"
+    },
+    "dependencies": {
+        "jose": "^6.0.11"
     }
 }
diff --git a/packages/types/src/auth.types.ts b/packages/types/src/auth.types.ts
new file mode 100644
index 0000000..85521d0
--- /dev/null
+++ b/packages/types/src/auth.types.ts
@@ -0,0 +1,31 @@
+import type { JWTPayload } from 'jose';
+import type { User } from './user.types';
+
+/**
+ * Defines the payload structure for the JWT, extending the standard JWTPayload.
+ * This is the data that will be encoded into the token.
+ */
+export interface AuthTokenPayload extends JWTPayload {
+    /**
+     * The user's email address.
+     */
+    email: string;
+    /**
+     * The user's role, used for authorization.
+     */
+    role: User['role'];
+}
+
+/**
+ * Defines the structure of the response from a successful login request.
+ */
+export interface LoginResponse {
+    /**
+     * The JSON Web Token for authenticating subsequent requests.
+     */
+    accessToken: string;
+    /**
+     * The authenticated user's information.
+     */
+    user: Omit<User, 'passwordHash'>;
+}
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index e9b0f21..219d19b 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -1,7 +1,2 @@
-export type UserRole = 'Admin' | 'Auditor' | 'EndUser';
-
-export interface User {
-    id: string;
-    email: string;
-    role: UserRole;
-}
+export * from './auth.types';
+export * from './user.types';
diff --git a/packages/types/src/user.types.ts b/packages/types/src/user.types.ts
new file mode 100644
index 0000000..1647a45
--- /dev/null
+++ b/packages/types/src/user.types.ts
@@ -0,0 +1,26 @@
+/**
+ * Defines the possible roles a user can have within the system.
+ */
+export type UserRole = 'Super Administrator' | 'Auditor/Compliance Officer' | 'End User';
+
+/**
+ * Represents a user account in the system.
+ */
+export interface User {
+    /**
+     * The unique identifier for the user.
+     */
+    id: string;
+    /**
+     * The user's email address, used for login.
+     */
+    email: string;
+    /**
+     * The user's assigned role, which determines their permissions.
+     */
+    role: UserRole;
+    /**
+     * The hashed password for the user. This should never be exposed to the client.
+     */
+    passwordHash: string;
+}
diff --git a/packages/types/tsconfig.tsbuildinfo b/packages/types/tsconfig.tsbuildinfo
new file mode 100644
index 0000000..3338e15
--- /dev/null
+++ b/packages/types/tsconfig.tsbuildinfo
@@ -0,0 +1 @@
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diff --git a/tsconfig.base.json b/tsconfig.base.json
index 372bacf..0a4ae69 100644
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